summaryrefslogtreecommitdiffstats
path: root/dom/base/test/unit/head_xml.js
blob: ed96926c804bc401acee7d3513affb67b605b669 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

const I = Ci;
const C = Cc;

const nsIFile = I.nsIFile;
const nsIProperties = I.nsIProperties;
const nsIFileInputStream = I.nsIFileInputStream;
const nsIInputStream = I.nsIInputStream;

function getParser() {
  var parser = new DOMParser();
  parser.forceEnableXULXBL();
  return parser;
}

var __testsDirectory = null;

function ParseFile(file) {
  if (typeof file == "string") {
    if (!__testsDirectory) {
      __testsDirectory = do_get_cwd();
    }
    var fileObj = __testsDirectory.clone();
    fileObj.append(file);
    file = fileObj;
  }

  Assert.equal(file instanceof nsIFile, true);

  var fileStr =
    C["@mozilla.org/network/file-input-stream;1"].createInstance(
      nsIFileInputStream
    );
  // Init for readonly reading
  fileStr.init(file, 0x01, 0o400, nsIFileInputStream.CLOSE_ON_EOF);
  return ParseXML(fileStr);
}

function ParseXML(data) {
  if (typeof data == "string") {
    return getParser().parseFromString(data, "application/xml");
  }

  Assert.equal(data instanceof nsIInputStream, true);

  return getParser().parseFromStream(
    data,
    "UTF-8",
    data.available(),
    "application/xml"
  );
}

function DOMSerializer() {
  return new XMLSerializer();
}

function SerializeXML(node) {
  return DOMSerializer().serializeToString(node);
}

function roundtrip(obj) {
  if (typeof obj == "string") {
    return SerializeXML(ParseXML(obj));
  }

  Assert.equal(Node.isInstance(obj), true);
  return ParseXML(SerializeXML(obj));
}

function do_compare_attrs(e1, e2) {
  const xmlns = "http://www.w3.org/2000/xmlns/";

  var a1 = e1.attributes;
  var a2 = e2.attributes;
  for (var i = 0; i < a1.length; ++i) {
    var att = a1.item(i);
    // Don't test for namespace decls, since those can just sorta be
    // scattered about
    if (att.namespaceURI != xmlns) {
      var att2 = a2.getNamedItemNS(att.namespaceURI, att.localName);
      if (!att2) {
        do_throw(
          "Missing attribute with namespaceURI '" +
            att.namespaceURI +
            "' and localName '" +
            att.localName +
            "'"
        );
      }
      Assert.equal(att.value, att2.value);
    }
  }
}

function do_check_equiv(dom1, dom2) {
  Assert.equal(dom1.nodeType, dom2.nodeType);
  switch (dom1.nodeType) {
    case Node.PROCESSING_INSTRUCTION_NODE:
      Assert.equal(dom1.target, dom2.target);
      Assert.equal(dom1.data, dom2.data);
    // fall through
    case Node.TEXT_NODE:
    case Node.CDATA_SECTION_NODE:
    case Node.COMMENT_NODE:
      Assert.equal(dom1.data, dom2.data);
      break;
    case Node.ELEMENT_NODE:
      Assert.equal(dom1.namespaceURI, dom2.namespaceURI);
      Assert.equal(dom1.localName, dom2.localName);
      // Compare attrs in both directions -- do_compare_attrs does a
      // subset check.
      do_compare_attrs(dom1, dom2);
      do_compare_attrs(dom2, dom1);
    // Fall through
    case Node.DOCUMENT_NODE:
      Assert.equal(dom1.childNodes.length, dom2.childNodes.length);
      for (var i = 0; i < dom1.childNodes.length; ++i) {
        do_check_equiv(dom1.childNodes.item(i), dom2.childNodes.item(i));
      }
      break;
  }
}

function do_check_serialize(dom) {
  do_check_equiv(dom, roundtrip(dom));
}

function Pipe() {
  var p = C["@mozilla.org/pipe;1"].createInstance(I.nsIPipe);
  p.init(false, false, 0, 0xffffffff, null);
  return p;
}

function ScriptableInput(arg) {
  if (arg instanceof I.nsIPipe) {
    arg = arg.inputStream;
  }

  var str = C["@mozilla.org/scriptableinputstream;1"].createInstance(
    I.nsIScriptableInputStream
  );

  str.init(arg);

  return str;
}